... service 4.Various colors and kinds of specifi PVC Trunking wiring duct 50x50 Product Introduction: 1).Material: Making of ... Decent packaging4).Use: For internal wiring,protecting the wire under 1200v5).Effect: After using,wiring easily and trimly,installing reliably, ... and accessories so on. Besides, we are also in position to accept orders against customers’ samples specifying design, specifications ...